Questionnaire in Z18V,,,, MPRn radiation, followed by the health of the adverse effects of computer owners, you perhaps often wondered why often feel backache backache, body resistance force more and more weak, the spirit is often unable to concentrate, you absolutely can not imagine the reason in the computer, the computer sends out the waves tend to neglect, in accordance with the international radiation protection safety provisions in the 50 cm distance essential st 25V / m of radiation exposure, but you know the computer radiation is how much?, keyboard 10OOV/m JJ mouse 450V/m m of the screen, IV, host 170V/m V25OOV/m a lot of schoolmates wrote the "radiation, the eye is not good, the effects of sleep..." And so on, it comes down to the adverse health effects mainly include the following aspects